$blue: #3190e8;
$bc: #e4e4e4;
$fc: #fff;

// 背景图片地址和大小
@mixin bis($url) {
    background-image: url($url);
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

@mixin borderRadius($radius) {
    border-radius: $radius;
}

//定位全屏
@mixin allcover {
    position: absolute;
    top: 0;
    left: 0;
}

@mixin center{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

//定位上下居中
@mixin ct {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

//定位左右居中
@mixin cl {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

@mixin wh($width, $height) {
    width: $width;
    height: $height;
}

//字体大小、行高、字体
@mixin font($size, $line-height, $family: 'Microsoft Yahei') {
    font: #{$size}/#{$line-height} $family;
}

//字体大小、颜色
@mixin sc($size, $color) {
    font-size: $size;
    color: $color;
}

//flex布局和子元素对其方式
@mixin fj($type: 'space-between') {
    display: flex;
    justify-content: $type;
}
